INSPECTION - TM-10-3930-644-14-P0171

TM 10-3930-644-14&P

1. Remove side panels, air cleaner, seat and seat

deck.

D. INSTALLATION

2. Remove carburetor air hose, and exhaust pipe.

1. Install new gaskets and retainers on manifold

ports.

3. Disconnect choke control, accelerator rod and

governor control rod from carburetor.

2. Position manifold assembly on the mounting

studs, and install washers and lock nuts.

4. Shut off fuel supply at base of fuel tank and

Torque to 25-30 lb. ft.

disconnect fuel line at elbow.

3. Replace

carburetor

gasket,

and

install

5. Remove carburetor from manifold.

carburetor; connect fuel line, governor control

rod, choke control cable, and accelerator

6. Disconnect hose from PCV valve and remove

linkage. (Guard against altering any linkage

valve, hose and elbow from manifold.

adjustments during removal/installation.)

7. Remove self-locking nuts and washers which

4. Install elbow in manifold and connect hoses and

attach manifold assembly to cylinder head and

PCV valve to elbow.

slide assembly off mounting studs.

5. Connect exhaust pipe to exhaust manifold

8. Remove retainers and gaskets from manifold

flange, using new gasket, and replace

ports.

carburetor air cleaner hose.

C. INSPECTION

6. Install air cleaner, seat assembly and hood.

1. The manifold should be checked for cracks and

7. Open fuel shut-off valve and start engine.

warpage.

If cracked, assembly must be

replaced. To check for warpage, lay a straight

8. Check for noisy or hissing leaks at all manifold

edge, across manifold ports. If warped , then

flanges.

machine flat or replace.

9. Establish cause of leak, if any, and repair.

2. Remove excessive carbon deposits with a

scraper and wire brush.

3. Manifold gaskets must be in good condition to

prevent entry of dirt, and to maintain correct fuel-

air ratio of intake mixture.

R-104-1

3-6